388444990 is an even 9-digits composite number following 388444989
and preceding 388444991 . In scientific notation, it is written as 3.88444990 × 10^8.
The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors.
There are 153839200 positive integers (up to 388444990) that are relatively prime to 388444990.
388444990 has 16 divisors, whose sum is 706125600
The reverse of 388444990 is 099444883
Previous prime number is 101
Is Prime? no Number parity even Number length 9 Sum of Digits 49 Digital Root 4
Name
three hundred eighty-eight million four hundred forty-four thousand nine hundred ninety
Scientific notation
3.88444990 × 10^8
Engineering notation
3.88444990 × 10^6
Prime Factorization
2 × 5 × 101 × 384599
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
388444990 Product of the distinct prime numbers
The prime factorization of 388444990 is 2 × 5 × 101 × 384599.
Since it has a total of 4 prime factors.
3 , 9 , 47 , 99 , 478 , 119 , 4649 , 9071 , 57578 , 42437 , 2175 , 801855 , 5304753 , 7917665 , 69799198 , 61242929 , 893613826 , 98847006 , 4407690141 , 6778317541
n×2
776889980
n×3
1165334970
n×4
1553779960
n×5
1942224950
n÷2
194222495
n÷3
129481663.33333
n÷3
97111247.5
n÷5
77688998
n2
150889510256100100
n3
5.8612274302536E+25
n4
2.2767644305326E+34
n5
8.8439773645058E+42
2 √n19709.007839057
3 √n729.64202752854
4 √n140.38877390681
5 √n52.22349160347
1 , 2 , 5 , 10 , 101 , 202 , 505 , 1010 , 384599 , 769198 , 1922995 , 3845990 , 38844499 , 77688998 , 194222495 , 388444990
16 divisors
τ Total Divisors
16 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-388444989 Sum of the proper positive divisors of n
A Arithmetic Mean
0.0625 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
1 Returns the nth root of the product of n divisors
H Harmonic Mean
16 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388444990 can be divided by 16 positive divisors.
The sum of these divisors (counting 388444990) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001001110011001100111110
3
Ternary
1000001221001100111
4
Quaternary
113021303030332
5
Quinary
1243420214430
6
Senary
102313420234
8
Octal
2711631476
10
Decimal
388444990
12
Duodecimal
aa10a67a
16
Hexadecimal
1727333e
20
Vigesimal
617fc9a
36
Base36
6f9q2m
md5
c8050589b7ae9206f0e730459289387a
sha1
a6bbd5618731baaab6cbd3a9e8bd8a32a2ec17a8
sha256
2caabf7511e46a744556891ba397c7759059b7eea6b1cf11e40de2767da116a5
sha512
056492485f850fe65d5292586519776e70c13dce03da7d24ab81e7222b4a21924d91a607f16a283db07c119e25c63755da94e7cff8e9fde9ab4fb397be709410
ripemd-160
87e2c7fdb093fccc5b8a73e4a7303894ab85f696
Diameter
776889980
Circumference
2440671853.8155
Area
4.7403337692433E+17
Volume
2.4551452047871E+26
Surface area
1.8961335076973E+18
Circumference
2440671853.8155
Perimeter
1553779960
Area
150889510256100100
Diagonal
549344173.09388
Surface area
905337061536600600
Volume
5.8612274302536E+25
Space diagonal
672806458.62558
Perimeter
1165334970
Area
6.5337074523188E+16
Altitude
336403229.31279
Surface area
6.5337074523188E+16
Volume
6.9075227700148E+24
Height
183114724.36463